Amphiura callida

Amphiura callida is a species of brittle star belonging to the family Amphiuridae. It is only known from the continental shelf off the coast of Cabo Frio, southeastern Brazil (depth 50 m).

Amphiura callida
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Ophiuroidea
Order:	Ophiurida
Family:	Amphiuridae
Genus:	Amphiura
Species:	A. callida
Binomial name
Amphiura callida Albuquerque, Campos-Creasey & Guille, 2001

This is a rather robust brittle star with a disc diameter of up to 10 mm and an arm length of up to 45 mm. It can be distinguished from its congeners from the leaf-like shape of the distal oral papillae and the presence of groups of two to seven spines along the entire length of the arm.

References

• Maria da Natividade ALBUQUERQUE, Lúcia S. CAMPOS-CREASEY & Alain GUILLE (2001). "Two new species of Amphiuridae (Echinodermata, Ophiuroidea) from the southeastern coast of Brazil" (PDF). Zoosystema. 23 (3): 591–604.